Re: [PATCH v2 0/2] x86/vdso: Replace deprecated simple_strtoul() with kstrtouint()

[Thorsten Blum <blum@kernel.org>]

On Tue, Oct 06, 2026 at 08:12:59PM +0000, Habil Eren Türker wrote:
> > I submitted a very similar series a while ago [1], but haven't received
> > feedback yet (besides a Reviewed-by from Randy on the documentation
> > change).
> 
> Hi Thorsten,
> 
> You are right, and thank you for pointing this out. My series is essentially
> a duplicate of yours. Your series came first.
> 
> I will withdraw my v2 series and let yours be the one to land.
> 
> In the meantime, I took the time to review and test your series on top
> of v7.3-rc5. Both the code and the runtime behaviour look correct to me:
> 
> Code review:
>   - kstrtouint() preserves the original semantics of simple_strtoul()
>     while adding proper overflow checking.
>   - Error paths are consistent with the existing vdso_setup() logic.
>   - The documentation removal for vdso32=2 is accurate.
> 
> Runtime testing:
>   - x86_64 QEMU/q35 guest, TCG acceleration, qemu64 CPU model
>   - KASAN profile (KASAN + KFENCE + DEBUG_OBJECTS)
>   - memory suite at 256M/512M/1G, 3 iterations per case
>   - All cases pass, no KASAN/KCSAN/lockdep findings, CRIT_ERRORS=0
> 
> Reviewed-by: Habil Eren Türker <habilerenturker@hotmail.com>
> Tested-by: Habil Eren Türker <habilerenturker@hotmail.com>

Thank you for reviewing and testing my series, but I believe you must
add your Reviewed-by: and Tested-by: to my series [1], not as a reply to
your own series.

> Sorry for the duplicate noise.

No worries.

Thanks,
Thorsten

[1] https://lore.kernel.org/lkml/20260831101657.2947-5-blum@kernel.org/